20750875

素因数分解:

$5^3\times {\mathrm{109}}^1\times {\mathrm{1523}}^1$

素因数の和:1647

約数の個数: 16

約数和(自身を含む): 26151840

約数和(自身を除く): 5400965

約数列:

[1, 5, 25, 109, 125, 545, 1523, 2725, 7615, 13625, 38075, 166007, 190375, 830035, 4150175, 20750875]

約数ペア:

[(1, 20750875), (5, 4150175), (25, 830035), (109, 190375), (125, 166007), (545, 38075), (1523, 13625), (2725, 7615)]